AI insider trading — C3.ai, Inc.
Over the last 90 days, insiders at C3.ai, Inc. (AI) made 0 open-market purchases worth $0 and 4 open-market sales worth $1.98M, making them net sellers by $1.98M. The largest sale was by Siebel Thomas M (CEO and Chairman of the Board), who sold 139,500 shares for $1.34M on Aug 3, 2026.
Updated Oct 16, 2026.
Recent AI insider transactions
Every Form 4 filed by C3.ai, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 13, 2026 | Siebel Thomas M | CEO and Chairman of the Board | M · Option exercise · 10b5-1 | Direct | 435,363 | $3.90 | $1.70M | Form 4 |
| Oct 13, 2026 | Siebel Thomas M | CEO and Chairman of the Board | S · Sale · 10b5-1 | Direct | 435,363 | $11.82 | $5.15M | Form 4 |
| Oct 12, 2026 | Lath Hitesh | CHIEF FINANCIAL OFFICER | S · Sale · 10b5-1 | Direct | 20,000 | $12.37 | $247K | Form 4 |
| Sep 30, 2026 | Siebel Thomas M | CEO and Chairman of the Board | G · Gift | Indirect | 956 | — | — | Form 4 |
| Sep 15, 2026 | Hyten John E. | Director | D · Disposition | Direct | 2,500 | $10.79 | $27K | Form 4 |
| Aug 14, 2026 | Hyten John E. | Director | D · Disposition | Direct | 2,500 | $9.93 | $25K | Form 4 |
| Sep 17, 2026 | Lath Hitesh | CHIEF FINANCIAL OFFICER | G · Gift | Direct | 15,930 | — | — | Form 4 |
| Sep 17, 2026 | Lath Hitesh | CHIEF FINANCIAL OFFICER | G · Gift | Indirect | 15,930 | — | — | Form 4 |
| Sep 16, 2026 | Lath Hitesh | CHIEF FINANCIAL OFFICER | S · Sale | Direct | 21,077 | $10.48 | $221K | Form 4 |
| Sep 16, 2026 | Lath Hitesh | CHIEF FINANCIAL OFFICER | G · Gift | Direct | 29,856 | — | — | Form 4 |
| Sep 16, 2026 | Lath Hitesh | CHIEF FINANCIAL OFFICER | G · Gift | Indirect | 29,856 | — | — | Form 4 |
| Sep 15, 2026 | Lath Hitesh | CHIEF FINANCIAL OFFICER | M · Option exercise | Direct | 29,007 | — | — | Form 4 |
| Sep 16, 2026 | Siebel Thomas M | CEO and Chairman of the Board | M · Option exercise · 10b5-1 | Direct | 162,247 | $3.90 | $633K | Form 4 |
| Sep 16, 2026 | Siebel Thomas M | CEO and Chairman of the Board | S · Sale · 10b5-1 | Direct | 162,247 | $10.54 | $1.71M | Form 4 |
| Sep 15, 2026 | Siebel Thomas M | CEO and Chairman of the Board | M · Option exercise · 10b5-1 | Direct | 282,001 | $3.90 | $1.10M | Form 4 |
| Sep 15, 2026 | Siebel Thomas M | CEO and Chairman of the Board | S · Sale · 10b5-1 | Direct | 282,001 | $10.90 | $3.07M | Form 4 |
| Sep 14, 2026 | Siebel Thomas M | CEO and Chairman of the Board | S · Sale | Direct | 22,780 | $10.56 | $241K | Form 4 |
| Sep 14, 2026 | Siebel Thomas M | CEO and Chairman of the Board | G · Gift | Direct | 21,986 | — | — | Form 4 |
| Sep 14, 2026 | Siebel Thomas M | CEO and Chairman of the Board | G · Gift | Indirect | 21,986 | — | — | Form 4 |
| Sep 11, 2026 | Siebel Thomas M | CEO and Chairman of the Board | M · Option exercise | Direct | 44,766 | — | — | Form 4 |
| Sep 3, 2026 | Siebel Thomas M | CEO and Chairman of the Board | G · Gift | Direct | 15,846 | — | — | Form 4 |
| Sep 3, 2026 | Siebel Thomas M | CEO and Chairman of the Board | G · Gift | Indirect | 15,846 | — | — | Form 4 |
| Sep 2, 2026 | Siebel Thomas M | CEO and Chairman of the Board | S · Sale | Direct | 16,890 | $10.30 | $174K | Form 4 |
| Sep 1, 2026 | Siebel Thomas M | CEO and Chairman of the Board | M · Option exercise | Direct | 32,736 | — | — | Form 4 |
| Aug 11, 2026 | Siebel Thomas M | CEO and Chairman of the Board | M · Option exercise · 10b5-1 | Direct | 453,314 | $3.90 | $1.77M | Form 4 |
| Aug 11, 2026 | Siebel Thomas M | CEO and Chairman of the Board | S · Sale · 10b5-1 | Direct | 453,314 | $10.51 | $4.76M | Form 4 |
| Aug 4, 2026 | Lath Hitesh | CHIEF FINANCIAL OFFICER | S · Sale · 10b5-1 | Direct | 20,000 | $10.00 | $200K | Form 4 |
| Aug 4, 2026 | Siebel Thomas M | CEO and Chairman of the Board | G · Gift | Direct | 143,834 | — | — | Form 4 |
| Aug 4, 2026 | Siebel Thomas M | CEO and Chairman of the Board | G · Gift | Indirect | 143,834 | — | — | Form 4 |
| Aug 3, 2026 | Siebel Thomas M | CEO and Chairman of the Board | S · Sale | Direct | 139,500 | $9.61 | $1.34M | Form 4 |
| Aug 2, 2026 | Siebel Thomas M | CEO and Chairman of the Board | M · Option exercise | Direct | 283,334 | — | — | Form 4 |
AI insider trading FAQ
Are insiders buying AI stock?
Not on the open market. In the last 90 days, C3.ai, Inc. insiders made no open-market purchases, and 4 open-market sales totaling $1.98M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading AI?
Recent sellers: Lath Hitesh, Siebel Thomas M.
Where does AI insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.